ATI Mobility Radeon HD 3870 vs NVIDIA Quadro FX 550M
Processeur graphique
| Nom du GPU | M88 | G73 |
|---|---|---|
| Architecture | TeraScale | Curie |
| Fonderie | TSMC | TSMC |
| Taille du processus | 55 nm | 90 nm |
| Transistors | 666 million | 177 million |
| Taille des matrices | 192 mm² | 125 mm² |
Graphiques mobiles
| Date de publication | Jun 4th, 2008 | Mar 13th, 2006 |
|---|---|---|
| Génération | M8x (Mobility HD 3800) | Quadro FX Mobile (x500M) |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
| Critiques | 2 in our database | 26 in our database |
| Prédécesseur | M7x | Quadro FX Go |
| Successeur | M9x | — |
Vitesse clock
| GPU clock | 660 MHz | 480 MHz |
|---|---|---|
| Mémoire clock | 850 MHz 1700 Mbps effective | 500 MHz 1000 Mbps effective |
Mémoire
| Taille de la mémoire | 512 MB | 512 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR3 |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 54.40 GB/s | 16.00 GB/s |
Render Config
| Shading units | 320 | — |
|---|---|---|
| TMUs | 16 | 12 |
| ROPs | 16 | 8 |
| Compute units | 4 | — |
| Cache L2 | 256 KB | — |
| Pixel shaders | — | 12 |
| Vertex shaders | — | 5 |
Performance théorique
| Taux de pixel | 10.56 GPixel/s | 3.840 GPixel/s |
|---|---|---|
| Taux de texture | 10.56 GTexel/s | 5.760 GTexel/s |
| FP32 (float) performance | 422.4 GFLOPS | — |
| FP64 (double) performance | 84.48 GFLOPS (1:5) | — |
| Vertex rate | — | 600.0 MVertices/s |
Board Design
| TDP | 55 W | 35 W |
|---|---|---|
| Sorties | No outputs | No outputs |
Caractéristiques graphiques
| DirectX | 10.1 (10_1) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 3.3 | 2.1 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 4.1 | 3.0 |
